package com.uniview.util;

import javax.servlet.http.HttpServletRequest;
/**
 * IP地址操作工具类
 * @author Qingtian Lei
 *
 */
public class IPUtils {
	
	/**
	 * 获取远程访问主机ip地址
	 * 
	 * 创建时间：2018年09月03日
	 * 
	 * @author Qingtian Lei
	 * @param request
	 * @return
	 */

	public static String getRemortIP(HttpServletRequest request) {
		String ip = request.getHeader("x-forwarded-for");
		if ((ip == null) || (ip.length() == 0) || ("unknown".equalsIgnoreCase(ip))) {
			ip = request.getHeader("Proxy-Client-IP");
		}
		if ((ip == null) || (ip.length() == 0) || ("unknown".equalsIgnoreCase(ip))) {
			ip = request.getHeader("WL-Proxy-Client-IP");
		}
		if ((ip == null) || (ip.length() == 0) || ("unknown".equalsIgnoreCase(ip))) {
			ip = request.getRemoteAddr();
		}
		return ip;
	}
}
